Bukit Lanjan is a state constituency in Selangor, Malaysia, that has been represented in the Selangor State Legislative Assembly since 1995.

It has been represented by Pua Pei Ling of Pakatan Harapan (PH) since 2023.

The state constituency was created in the 1994 redistribution and is mandated to return a single member to the Selangor State Legislative Assembly under the first past the post voting system.

Ethnic breakdown of Bukit Lanjan's electorate as of 2023[2] According to the federal gazette issued on 30 March 2018, the Bukit Lanjan constituency is divided into 21 polling districts.

[3] "Federal Government Gazette - Notice of Contested Election, State Legislative Assembly for the State of Selangor [P.U.